<?
$callid = $_GET['callid'];
$result = $_GET['result'];
$selectkey = $_GET['selectkey'];

$fp = fopen("test.txt", "a+");
fwrite($fp, "callid : $callid, result : $result, selectkey : $selectkey, dt : ".date("Y-m-d H:i:s")."\n");
fclose($fp);
?>
ok